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Now showing items 1-10 of 103
Avaliação da produção de açúcar utilizando reconciliação de dados, estatística multivariada e modelagem fenomenológica da cristalização
(Universidade Federal de São Carlos, 2019-02-25)
Sugarcane, grown in more than a hundred countries, is one of the major crops of the world. Brazil is the world’s largest producer. Sugarcane industries are constantly seeking to reduce the industrial process losses, to ...
Fermentação alcoólica: desenvolvimento de metodologia para o cálculo de eficiência e modelagem por redes neurais de unidade de fermentação industrial
(Universidade Federal de São Carlos, 2019-02-21)
The search for alternative sources of fuel, economically and environmentally viable, that could replace fossil fuels has increased in the last years. Brazil occupies a prominent position regarding the pioneering development ...
Análise do escoamento em um ciclone adaptado com bicos aspersores de água utilizando fluidodinâmica computacional (CFD)
(Universidade Federal de São Carlos, 2019-02-25)
Cyclonic separators are widely used in industries for gas-solid separation process. Its low cost in building, operating and maintenance, as well as the ability to operate at high temperatures and pressures, makes it a good ...
Estudo da produção de bioetanol e biobutanol a partir da palha de cana-de-açúcar
(Universidade Federal de São Carlos, 2019-02-18)
The present thesis studied the hydrolysis and fermentation steps of the hydrothermally pretreated sugarcane straw (cellulosic fraction), aiming bioethanol and biobutanol production. In regards to the hydrolysis step, it ...
Parâmetros cinéticos da cristalização de sacarose em diferentes escalas
(Universidade Federal de São Carlos, 2018-03-07)
This work aims to determine kinetic parameters capable of describing the crystallization of sucrose using bench scale and pilot scale reactors. Sucrose was chosen because it is a very important product for Brazil, which ...
Controle nebuloso ("fuzzy”) aplicado à combustão em caldeiras a bagaço de cana
(Universidade Federal de São Carlos, 2018-04-26)
In the sugarcane industry, boilers are widely used for cogeneration. This term designates the simultaneous generation of more than one type of energy, namely thermal and electrical, from the same fuel source. This industry ...
Modelagem, simulação e análise técnico-econômica-ambiental do processo de extração de óleo de soja por hexano e etanol e da produção de biodiesel
(Universidade Federal de São Carlos, 2019-07-04)
Brazil is the second largest producer of soybean, with the projection of becoming the largest producer in 2019/2020. All Brazilian soybean oil is produced by the extraction process with hexane, an oil derivative. One way ...
Propriedades ácidas e texturais de zeólitas ZSM-5 dessilicalizadas ou desaluminizadas – análise do rendimento e seletividade a olefinas leves durante a transformação de cicloexano e metilcicloexano
(Universidade Federal de São Carlos, 2015-03-13)
Nowadays, the Brazilian petroleum is extracted from very deep fields and possesses a high
naphthenic hydrocarbons composition, which imposes new challenges to refineries and
specially to the catalytic cracking process. ...
Avaliação de adsorventes obtidos a partir de resíduos agroindustriais para a remoção dos inibidores gerados no pré-tratamento da biomassa lignocelulósica
(Universidade Federal de São Carlos, 2019-02-26)
The pretreatment of lignocellulosic biomass generates phenolic compounds and furaldehydes that inhibit the enzymes and yeast used in the process of hydrolysis of cellulose and alcoholic fermentation. In this context, the ...
Degradação eletroquímica de efluentes contendo ácido cafeico usando eletrodo de diamante dopado com boro
(Universidade Federal de São Carlos, 2019-02-26)
Coffee is one of the main global agribusiness products, however, the wet coffee processing industry is considered as being environmentally unfriendly due to its high consumption of water and large volumes of effluents ...